#include<iostream>
using namespace std;

int main()             //三个数找最大数
{
    int a,b,c;
    cin >> a >> b >> c ;
    int max = a;
    if(b>max)
    {
        max = b;
    }
    if(c>max)
    {
        max = c;
    }
    cout << max << endl;
    return 0;
}